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Finding the Fourth Proportional to 12,252.67, 16,866.02 and 10,678.03

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Solution

The fourth proportional to 12,252.67, 16,866.02 and 10,678.03 is: 14,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.67 : 16,866.02 = 10,678.03 : x
  2. Step 2: Convert to fraction form
    12,252.67/16,866.02 = 10,678.03/x
  3. Step 3: Cross multiply
    12,252.67x = 16,866.02 × 10,678.03
  4. Step 4: Simplify right side
    12,252.67x = 180,095,852.07
  5. Step 5: Solve for x
    x = 180,095,852.07/12,252.67
  6. Step 6: Final answer
    x = 14,698.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.